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41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
From d7c87b54cdabe76c12f2bb527f2a6b02b6255a0f Mon Sep 17 00:00:00 2001
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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Date: Fri, 4 Nov 2016 19:39:38 +0100
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Subject: [PATCH] kbuild: add -fno-PIE
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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commit 8ae94224c9d72fc4d9aaac93b2d7833cf46d7141 upstream.
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Debian started to build the gcc with -fPIE by default so the kernel
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build ends before it starts properly with:
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|kernel/bounds.c:1:0: error: code model kernel does not support PIC mode
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Also add to KBUILD_AFLAGS due to:
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|gcc -Wp,-MD,arch/x86/entry/vdso/vdso32/.note.o.d … -mfentry -DCC_USING_FENTRY … vdso/vdso32/note.S
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|arch/x86/entry/vdso/vdso32/note.S:1:0: sorry, unimplemented: -mfentry isn’t supported for 32-bit in combination with -fpic
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Tagging it stable so it is possible to compile recent stable kernels as
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well.
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Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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Signed-off-by: Michal Marek <mmarek@suse.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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Makefile | 2 ++
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1 file changed, 2 insertions(+)
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--- a/Makefile
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+++ b/Makefile
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@@ -619,6 +619,8 @@ include arch/$(SRCARCH)/Makefile
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KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)
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KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
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KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
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+KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
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+KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
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ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
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KBUILD_CFLAGS += -Os $(EXTRA_OPTIMIZATION)
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